Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem recebeu o ouro no torneio em Bratislava onde a República Tcheca recebeu a prata?
 ###Tabelas: CREATE TABLE results (results_id AUTO_INCREMENT PRIMARY KEY, Year INT, Gold VARCHAR, Silver VARCHAR, Bronze VARCHAR, Venue VARCHAR) CREATE TABLE slam_dunk_contest (slam_dunk_contest_id AUTO_INCREMENT PRIMARY KEY, Pos. VARCHAR, Player VARCHAR, Team VARCHAR, Height VARCHAR, Weight INT) CREATE TABLE nab_cup_and_premiership_season_results (nab_cup_and_premiership_season_results_id AUTO_INCREMENT PRIMARY KEY, Round VARCHAR, Opposition VARCHAR, Time VARCHAR, Date VARCHAR, Home/Away VARCHAR, Venue VARCHAR, Score VARCHAR, Result/Margin VARCHAR, Broadcaster VARCHAR, TV VARCHAR, Ladder Position VARCHAR) CREATE TABLE summary_of_qualification (summary_of_qualification_id AUTO_INCREMENT PRIMARY KEY, Confederation VARCHAR, Teams started VARCHAR, Teams that have secured qualification VARCHAR, Teams that can still qualify VARCHAR, Teams that have been eliminated VARCHAR, Remaining places in finals VARCHAR, Total places in finals VARCHAR, Qualifying start date VARCHAR, Qualifying end date VARCHAR) CREATE TABLE club_honour_board (club_honour_board_id AUTO_INCREMENT PRIMARY KEY, Year INT, President VARCHAR, (M) Finishing position VARCHAR, (M) Coach VARCHAR, (M) Best & Fairest VARCHAR, (M) Leading Goalkicker VARCHAR)  
SELECT Gold FROM results WHERE Silver = czech republic AND Venue = bratislava